Re: [PATCH v30 0/7] Add MediaTek SoC DRM (vdosys1) support for mt8195

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On 03/04/2023 05:30, Chun-Kuang Hu wrote:
> Hi, Chen-yu:
> 
> Chen-Yu Tsai <wenst@xxxxxxxxxxxx> 於 2023年3月30日 週四 下午7:05寫道:
>>
>> On Mon, Mar 27, 2023 at 11:17 PM Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx> wrote:
>>>
>>> Hi, Angelo:
>>>
>>> AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> 於
>>> 2023年3月24日 週五 下午4:38寫道:
>>>>
>>>> Il 24/03/23 00:25, Chun-Kuang Hu ha scritto:
>>>>> Hi, Angelo:
>>>>>
>>>>> AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> 於
>>>>> 2023年3月23日 週四 下午4:58寫道:
>>>>>>
>>>>>> Il 21/03/23 13:18, Nancy.Lin ha scritto:
>>>>>>> The hardware path of vdosys1 with DPTx output need to go through by several modules, such as, OVL_ADAPTOR and MERGE.
>>>>>>>
>>>>>>> Add DRM and these modules support by the patches below:
>>>>>>>
>>>>>>
>>>>>> I've tested v30 again on MT8173, MT8192 and MT8195 based Chromebooks.
>>>>>> Green light from me.
>>>>>
>>>>> I'm curious about how you build code and test on Chromebooks. Do you
>>>>> build in cros environment or pure linux
>>>>> (https://archlinuxarm.org/platforms/armv8/mediatek/acer-chromebook-r13).
>>>>> I've a MT8183 based Chromebook (HP 11a) and I've tried to run a
>>>>> upstream kernel on it. cros is too heavy for me and I doubt I could
>>>>> use it. I've tried the pure linux and could boot up with console, but
>>>>> display does not work. If you use the pure linux environment, could
>>>>> you share how it works?
>>>>>
>>>>
>>>> I haven't tested MT8183 (I don't actually have any 8183 machine in my hands)... but
>>>> yes, I can share my test environment.
>>>>
>>>> I have one MicroSD that I use either in the MicroSD slot of the target machine, or
>>>> in a USB reader; this *single* system is what I boot on *all* Chromebooks that I
>>>> have: one kernel, multiple devicetrees, same Debian-based userspace.
>>>>
>>>> What we have to prepare this bootable media can be found at [1], but beware that
>>>> it currently uses an outdated kernel, so, what I have locally is a symlink to my
>>>> kernel tree.
>>>> You can change/add/remove the devicetree blobs that will get added to the image
>>>> by modifying `chromebook-setup.sh`; before tampering with kernel tree symlink,
>>>> please run that script for the first time, as it will download a cross-compiler,
>>>> a kernel tree (that you will replace for sure) and the (very old) Debian rootfs
>>>> that you can update with `apt-get dist-upgrade` after booting the Chromebook.
>>>>
>>>> If you want to check about possible kernel configuration differences, what I use
>>>> is at [2], so that you can compare.
>>>
>>> Thanks for the information, I would try to compare the kernel config first.
>>
>> Hi CK,
>>
>> Would you consider adding your repo to linux-next? That would let everyone
>> do integration testing, especially automated ones, earlier, before you send
>> your PRs to drm maintainers.
>>
>> You can do so by sending an email to Stephen Rothwell to do so.
> 
> I don't understand what this process is. Does it means that I directly
> upstream patches into linux-next? I prefer that my patches go through
> drm maintainers' tree. Does any document introduce this process?

All maintainers and sub-maintainers trees are supposed to be fed into
linux-next.

https://lore.kernel.org/linux-next/20230327124805.3ca4f3cc@xxxxxxxxxxxxxxxx/T/#md226a8e714cc731c2ab4ba5ee7eb43fe21a55009

Documentation/process/howto.rst
Documentation/process/2.Process.rst


Best regards,
Krzysztof




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